Hybrid polar modulator differential phase Cartesian feedback correction circuit for power amplifier linearization
US7409004B2 · kind B2 · utility
9Cited by
22References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2001 |
| Grant date | Aug 5, 2008 |
| Priority date | — |
| Expiry date | May 29, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2201/3233
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention, generally speaking, provides a method of obtaining very accurate estimates of the phase and amplitude distortions introduced by radio frequency or microwave power amplifiers even where polar modulation is used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.